POCUSPedia
Authoritative definitions of ultrasound protocols, anatomical landmarks, pathology findings, and technical terminology for point-of-care practice across medical specialties.
A-lines
In lung ultrasound, A-lines are horizontal hyperechoic lines that appear parallel to the pleural line, representing reverberation artifacts from the
Abdominal aortic aneurysm (AAA)
An Abdominal Aortic Aneurysm (AAA) is a localized bulge or swelling in the aorta, the body's largest artery, as it
Abdominal circumference
In OBGYN ultrasound, abdominal circumference (AC) is a crucial fetal biometric measurement used to estimate fetal weight and assess growth.
ABI correlation
ABI correlation in vascular ultrasound evaluates the Ankle-Brachial Index (ABI) alongside duplex ultrasound findings to diagnose and assess peripheral artery
Abscess drainage
Abscess drainage, a crucial medical procedure, involves removing pus from an abscess to alleviate infection and promote healing. Often guided
Achilles tendon rupture
An Achilles tendon rupture, in musculoskeletal (MSK) ultrasound, refers to a complete or partial tear of the Achilles tendon, the
Acoustic impedance mismatch
In physics, acoustic impedance mismatch describes the difference in acoustic impedance between two media at their boundary. When sound waves
Acoustic shadowing
Acoustic shadowing is an ultrasound artifact appearing as a dark, anechoic region posterior to highly reflective or attenuating structures, like
Acoustic window
An acoustic window in general imaging ultrasound refers to an area or pathway through which sound waves can travel into
Acute cholecystitis
Acute cholecystitis is the sudden inflammation of the gallbladder, commonly caused by gallstones obstructing the cystic duct. This common abdominal
Acute DVT
Acute deep vein thrombosis (DVT) is a critical vascular condition involving the formation of a fresh blood clot within a